Fish Who Don't Fit the Mold

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Serpentine

Piranha
MFK Member
May 17, 2018
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Each species has an often well deserved reputation for certain characteristics, but there are always statistical outliers. I've had a few very odd ones.

My male festae is a weenie. The female picks on him and has even outpaced him in growth, probably because she grabs most of the food. He saunters around in yellow and scarlet until she decides to put him in his place, when he turns submissive brown and slinks away. The funny thing is that it's not just her. He gets punked by jewel cichlids. Even the Pictus catfish chase him out of their coconut shells.

On the other side if the coin I had an electric blue Acara--a very laid-back species--who butchered everything in the tank with him. He was nuts.

I had an angelfish who shacked up with (not kidding) a pearl gourami in a community tank. The gourami simply drove off his mate and took her place. This was particularly surprising because they are not from the same family or even the same continent. They can't breed together. They have different communication styles. He really hated her touching him with her feelers and she probably wondered why he didn't touch her back with his pelvic fins, which at least superficially resembled feelers. Nonetheless she helped him guard the eggs he'd had with the female angelfish, also very much out of character for her species. As far as I know female gouramis eat eggs rather than guarding them. It seemed to be a case of, "Well, these are obviously important to him so they are now important to me."

And now (not cichlid related at all) I have a red tail shark who seriously thinks that she is a clown loach rather than a solitary, territorial minnow. She joins them in their loach piles and has even adopted some of their behaviors like lying on her side and playing dead.

Who else has specimens that proudly march to the beat of their very own drums?
 
I had two blue acara pairs spawn in the same tank within a couple of days of each other. The second female and her mate ate the eggs, so she stole free swimmers from the other blue acara pair and raised them like they were her own. Every day I'd turn the lights on to discover her surrounded by a large cloud of fry, she drove off her own mate because he kept trying to eat her stolen babies.
 
The texas/midas hybrid I rescued a few months ago is a terrorist in a tank with fish her own size. However when I got tired of her beating up what I thought were appropriate sized tank mates I tried tossing her in with some barbs and common goldfish. (A catch-all junk tank if you will) She's happy and content in there. She hasn't bothered any of the other fish.
 
Each species has an often well deserved reputation for certain characteristics, but there are always statistical outliers. I've had a few very odd ones.

My male festae is a weenie. The female picks on him and has even outpaced him in growth, probably because she grabs most of the food. He saunters around in yellow and scarlet until she decides to put him in his place, when he turns submissive brown and slinks away. The funny thing is that it's not just her. He gets punked by jewel cichlids. Even the Pictus catfish chase him out of their coconut shells.

On the other side if the coin I had an electric blue Acara--a very laid-back species--who butchered everything in the tank with him. He was nuts.

I had an angelfish who shacked up with (not kidding) a pearl gourami in a community tank. The gourami simply drove off his mate and took her place. This was particularly surprising because they are not from the same family or even the same continent. They can't breed together. They have different communication styles. He really hated her touching him with her feelers and she probably wondered why he didn't touch her back with his pelvic fins, which at least superficially resembled feelers. Nonetheless she helped him guard the eggs he'd had with the female angelfish, also very much out of character for her species. As far as I know female gouramis eat eggs rather than guarding them. It seemed to be a case of, "Well, these are obviously important to him so they are now important to me."

And now (not cichlid related at all) I have a red tail shark who seriously thinks that she is a clown loach rather than a solitary, territorial minnow. She joins them in their loach piles and has even adopted some of their behaviors like lying on her side and playing dead.

Who else has specimens that proudly march to the beat of their very own drums?
My rainbow shark does the same thing (except it thinks it's a giant danio). Same with my Siamese algae eater, and oddly enough, my opaline gourami schools with the danios, rainbow shark and Siamese algae eater. It's the weirdest thing.
 
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My bgk refuses live foods, but will happily accept sinking pellets.
Also, I used to have a Trinidad Pleco that didn't eat any of my live plants. I know because that thing was 9 inches long and could just swallow a fish whole if it wanted to.
I have a Spiny eel that just doesn't burrow in the substrate.
Finally, I have this one farlowella catfish. Now, I get that they're lazy and will just hang onto a piece of wood for a long time after they are out of the water, but mine, oh, it used to try to eat the slime algae on my filter output. It would literally start to climb up and try to go into the filter. I don't think I have any pictures, but it was just the weirdest thing. The farlowella would also eat with the Pleco when I had it. It just wouldn't leave until the Pleco started to go back to it's hiding place. This was every time I fed the tank. Ever since I removed that Pleco, the farlowella hasn't been out much.
 
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Each species has an often well deserved reputation for certain characteristics, but there are always statistical outliers. I've had a few very odd ones.

My male festae is a weenie. The female picks on him and has even outpaced him in growth, probably because she grabs most of the food. He saunters around in yellow and scarlet until she decides to put him in his place, when he turns submissive brown and slinks away. The funny thing is that it's not just her. He gets punked by jewel cichlids. Even the Pictus catfish chase him out of their coconut shells.

On the other side if the coin I had an electric blue Acara--a very laid-back species--who butchered everything in the tank with him. He was nuts.

I had an angelfish who shacked up with (not kidding) a pearl gourami in a community tank. The gourami simply drove off his mate and took her place. This was particularly surprising because they are not from the same family or even the same continent. They can't breed together. They have different communication styles. He really hated her touching him with her feelers and she probably wondered why he didn't touch her back with his pelvic fins, which at least superficially resembled feelers. Nonetheless she helped him guard the eggs he'd had with the female angelfish, also very much out of character for her species. As far as I know female gouramis eat eggs rather than guarding them. It seemed to be a case of, "Well, these are obviously important to him so they are now important to me."

And now (not cichlid related at all) I have a red tail shark who seriously thinks that she is a clown loach rather than a solitary, territorial minnow. She joins them in their loach piles and has even adopted some of their behaviors like lying on her side and playing dead.

Who else has specimens that proudly march to the beat of their very own drums?
You may have a redtail loach, but if it is a redtail shark, I believe it. Do you have any pictures?
 
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We have some strange friendships! The Texas / Midas with the goldfish has to take the cake. That needs photos!

I have pictures of all of the odd couples, I think. I know there are some of the female pearl gourami and the male angelfish guarding his eggs together and her chasing off the female angelfish. Just have to find and upload them.

It should be easy to get some of the red tail shark (definitely a shark) with her clown loach buddies the next time I see them together, which happens quite often. I saw them grazing together for biofilm on a rock earlier today. The shark is just one of the school as far as the clowns are concerned.

Our black ghost knives eat anything offered to them. The seller thought that they would only ever eat live food but they snarf anything from flakes, sticks and pellets to pleco wafers, freeze-dried or frozen bloodworms and krill... and of course live too. They also get along. I got them when they were tiny and introduced them at the same time. Each has staked its own territory but at night they dance together in circles in the common areas, partying it up while everyone else sleeps.
 
We have some strange friendships! The Texas / Midas with the goldfish has to take the cake. That needs photos!

I have pictures of all of the odd couples, I think. I know there are some of the female pearl gourami and the male angelfish guarding his eggs together and her chasing off the female angelfish. Just have to find and upload them.

It should be easy to get some of the red tail shark (definitely a shark) with her clown loach buddies the next time I see them together, which happens quite often. I saw them grazing together for biofilm on a rock earlier today. The shark is just one of the school as far as the clowns are concerned.

Our black ghost knives eat anything offered to them. The seller thought that they would only ever eat live food but they snarf anything from flakes, sticks and pellets to pleco wafers, freeze-dried or frozen bloodworms and krill... and of course live too. They also get along. I got them when they were tiny and introduced them at the same time. Each has staked its own territory but at night they dance together in circles in the common areas, partying it up while everyone else sleeps.
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This is 125gs. There are 3 common GF about 4 inches long. A dozen tiger barbs, 10 neon rosey barbs, 6+ baby super red BNs and that monster in the back there doesn't mess with any of them. Put her in with anything her size and she is tearing it apart.
 
Our black ghost knives eat anything offered to them. The seller thought that they would only ever eat live food but they snarf anything from flakes, sticks and pellets to pleco wafers, freeze-dried or frozen bloodworms and krill... and of course live too. They also get along. I got them when they were tiny and introduced them at the same time. Each has staked its own territory but at night they dance together in circles in the common areas, partying it up while everyone else sleeps.
Both of my bgk's ate whatever I put in their tanks. Mainly hikari pellets but the odd frozen treat here and there too.

Do they not usually eat pellets and stuff?
 
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